Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Hassan Hammawa"'
Publikováno v:
Day 3 Wed, February 23, 2022.
During hydraulic fracturing process of the Permian Basin in North America, the cluster spacing has been shortened to 3m, and stress shadow can no longer be ignored. Many scholars have studied the influence of stress shadows to optimize cluster spacin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f69534d17b0ea18f1f8effc28e1348a
https://doi.org/10.2523/iptc-22494-ms
https://doi.org/10.2523/iptc-22494-ms
Publikováno v:
The Canadian Journal of Chemical Engineering. 82:371-381
A new reactor system for gas-phase ethylene/α-olefin polymerization is described. Good gas-phase temperature control at high polymerization rates was achieved with the 2-L semi-batch reactor. Ethylene/1-hexene and ethylene polymerization results sho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afe3ece628929b036bb31e22ab9cb4e3
https://doi.org/10.1002/cjce.5450820218
https://doi.org/10.1002/cjce.5450820218
Autor:
Hassan Hammawa, Sieghard E. Wanke
Publikováno v:
Journal of Applied Polymer Science. 104:514-527
The effects of support friability (Φ) and ethylene/comonomer ratios were investigated over supported metallocene/methylaluminoxane catalysts prepared with nine different porous polymeric supports and various comonomer concentrations with a 2-L react
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e31119a7d44a4e1cf6be7985b468f84
https://doi.org/10.1002/app.25527
https://doi.org/10.1002/app.25527
Autor:
Hassan Hammawa, Sieghard E. Wanke
Publikováno v:
Polymer International. 55:426-434
Three catalysts obtained by supporting bis(n-butylcyclopentadienyl)zirconium dichloride/methylaluminoxane on: (1) porous crosslinked poly(2-hydroxyethylmethacrylate-co-styrene-co-divinylbenzene) particles (CAT1); (2) swellable crosslinked poly(styren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfe55ecbde71f350144ecdc3bf02ca26
https://doi.org/10.1002/pi.1992
https://doi.org/10.1002/pi.1992
Publikováno v:
Journal of Applied Polymer Science. 92:3549-3560
The effects of aluminum alkyls on the gas-phase ethylene homopolymerization and ethylene/1-hexene copolymerization over polymer-supported metallocene/methylaluminoxane [(n-BuCp)2ZrCl2/MAO] catalysts were investigated. Results with triisobutyl aluminu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2803b05d0f4365a32a6f038bc5277f48
https://doi.org/10.1002/app.20396
https://doi.org/10.1002/app.20396
Publikováno v:
Journal of Applied Polymer Science. 70:137-147
Nonisothermal, uncontrolled polymerization, conducted in varying mixing regimes, offered a facile methodology to evaluate the influence of several important process development factors such as mixing, reaction exotherm, and thermal perturbations on t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67f506669530a5320de0e107fc113fd8
https://doi.org/10.1002/(sici)1097-4628(19981003)70:1<137::aid-app14>3.0.co
https://doi.org/10.1002/(sici)1097-4628(19981003)70:1<137::aid-app14>3.0.co
Publikováno v:
European Polymer Journal. 34:1511-1520
The solubility of ethylene and propylene in toluene, which is mostly used as the diluent in metallocene-catalyzed olefin polymerization, was modeled as a function of temperature and pressure. Two selected slurry polymerization situations were conside
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7928e2c2b55a14d78ce6649c6dadcf0a
https://doi.org/10.1016/s0014-3057(98)00005-6
https://doi.org/10.1016/s0014-3057(98)00005-6
Autor:
Hassan Hammawa, Esam Z. Hamad
Publikováno v:
Fluid Phase Equilibria. 122:67-74
A simple mixture model based on the mixture pair correlation functions was developed and tested. For a Lennard-Jones fluid, the new model showed high accuracy when compared to simulation data. The model was compared to the van der Waals model, the de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::892944762b0c57a6a7368e12cc13152c
https://doi.org/10.1016/0378-3812(96)03040-3
https://doi.org/10.1016/0378-3812(96)03040-3
Autor:
Esam Z. Hamad, Hassan Hammawa
Publikováno v:
Journal of the Chemical Society, Faraday Transactions. 92:4943
A simple and general mixture model based on the exact third virial coefficient of a non-additive hard spheres mixture has been developed. It reproduces the correct composition dependence of all virial coefficients. The new model, together with a mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfc121ad5231e87e3822f0a34b1880be
https://doi.org/10.1039/ft9969204943
https://doi.org/10.1039/ft9969204943